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| AAT2552 Datasheet, PDF (14/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications | |||
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AAT2552
Total Power Solution for Portable Applications
Typical CharacteristicsâLDO Regulator
Line Transient Response
(IOUT = 300mA)
3.40
3.35
3.30
VOUT
Load Transient Response
(1mA to 300mA; VIN = 5.0V; VOUT = 3.3V)
3.6
3.4
3.2
VOUT
5.0
VIN
4.5
4.0
Time (100µs/div)
0.4
IL
0.2
0.0
-0.2
Time (100µs/div)
Turn-Off Response Time
(VIN = 4.2V; IOUT = 300mA)
VEN = 2V/div
VOUT = 1V/div
Time (50µs/div)
Turn-On Time From Enable
(VIN = 4.2V; IOUT = 300mA)
VEN = 2V/div
VOUT = 1V/div
Time (100µs/div)
LDO Output Noise
(COUT = 4.7µF; IOUT = 10mA; RLOAD = 330; 98.33µVrms)
10000
1000
100
10
0.01
0.1
1
10
100
1000
Frequency (kHz)
14
2552.2007.04.1.0
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